package com.hzhk.happyrent.utils;

import java.text.ParseException;
import java.text.SimpleDateFormat;  
import java.util.Calendar;  
import java.util.Date;  
import java.util.HashMap;  
import java.util.Map;  
  
  
/** 
* 身份证工具类 
*  
* @author June 
* @version 1.0,2014/5/21 
*/  
public class IdcardUtils{  
  
    /** 中国公民身份证号码最小长度。 */  
    public static final int CHINA_ID_MIN_LENGTH = 15;  
  
    /** 中国公民身份证号码最大长度。 */  
    public static final int CHINA_ID_MAX_LENGTH = 18;  
  
    /** 省、直辖市代码表 */  
    public static final String cityCode[] = {  
            "11", "12", "13", "14", "15", "21", "22", "23", "31", "32", "33", "34", "35", "36", "37", "41",  
            "42", "43", "44", "45", "46", "50", "51", "52", "53", "54", "61", "62", "63", "64", "65", "71",  
            "81", "82", "91"  
    };  
  
    /** 每位加权因子 */  
    public static final int power[] = {  
            7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2  
    };  
  
    /** 第18位校检码 */  
    public static final String verifyCode[] = {  
            "1", "0", "X", "9", "8", "7", "6", "5", "4", "3", "2"  
    };  
    /** 最低年限 */  
    public static final int MIN = 1930;  
    public static Map<String, String> cityCodes = new HashMap<String, String>();  
    /** 台湾身份首字母对应数字 */  
    public static Map<String, Integer> twFirstCode = new HashMap<String, Integer>();  
    /** 香港身份首字母对应数字 */  
    public static Map<String, Integer> hkFirstCode = new HashMap<String, Integer>();  
    static {  
      cityCodes.put("11", "北京");  
      cityCodes.put("12", "天津");  
      cityCodes.put("13", "河北");  
      cityCodes.put("14", "山西");  
      cityCodes.put("15", "内蒙古");  
      cityCodes.put("21", "辽宁");  
      cityCodes.put("22", "吉林");  
      cityCodes.put("23", "黑龙江");  
      cityCodes.put("31", "上海");  
      cityCodes.put("32", "江苏");  
      cityCodes.put("33", "浙江");  
      cityCodes.put("34", "安徽");  
      cityCodes.put("35", "福建");  
      cityCodes.put("36", "江西");  
      cityCodes.put("37", "山东");  
      cityCodes.put("41", "河南");  
      cityCodes.put("42", "湖北");  
      cityCodes.put("43", "湖南");  
      cityCodes.put("44", "广东");  
      cityCodes.put("45", "广西");  
      cityCodes.put("46", "海南");  
      cityCodes.put("50", "重庆");  
      cityCodes.put("51", "四川");  
      cityCodes.put("52", "贵州");  
      cityCodes.put("53", "云南");  
      cityCodes.put("54", "西藏");  
      cityCodes.put("61", "陕西");  
      cityCodes.put("62", "甘肃");  
      cityCodes.put("63", "青海");  
      cityCodes.put("64", "宁夏");  
      cityCodes.put("65", "新疆");  
      cityCodes.put("71", "台湾");  
      cityCodes.put("81", "香港");  
      cityCodes.put("82", "澳门");  
      cityCodes.put("91", "国外");  
      twFirstCode.put("A", 10);  
      twFirstCode.put("B", 11);  
      twFirstCode.put("C", 12);  
      twFirstCode.put("D", 13);  
      twFirstCode.put("E", 14);  
      twFirstCode.put("F", 15);  
      twFirstCode.put("G", 16);  
      twFirstCode.put("H", 17);  
      twFirstCode.put("J", 18);  
      twFirstCode.put("K", 19);  
      twFirstCode.put("L", 20);  
      twFirstCode.put("M", 21);  
      twFirstCode.put("N", 22);  
      twFirstCode.put("P", 23);  
      twFirstCode.put("Q", 24);  
      twFirstCode.put("R", 25);  
      twFirstCode.put("S", 26);  
      twFirstCode.put("T", 27);  
      twFirstCode.put("U", 28);  
      twFirstCode.put("V", 29);  
      twFirstCode.put("X", 30);  
      twFirstCode.put("Y", 31);  
      twFirstCode.put("W", 32);  
      twFirstCode.put("Z", 33);  
      twFirstCode.put("I", 34);  
      twFirstCode.put("O", 35);  
      hkFirstCode.put("A", 1);  
      hkFirstCode.put("B", 2);  
      hkFirstCode.put("C", 3);  
      hkFirstCode.put("R", 18);  
      hkFirstCode.put("U", 21);  
      hkFirstCode.put("Z", 26);  
      hkFirstCode.put("X", 24);  
      hkFirstCode.put("W", 23);  
      hkFirstCode.put("O", 15);  
      hkFirstCode.put("N", 14);  
    }  
  
    /** 
   * 将15位身份证号码转换为18位 
   *  
   * @param idCard 
   *            15位身份编码 
   * @return 18位身份编码 
   */  
    public static String conver15CardTo18(String idCard) {  
      String idCard18 = "";  
      if (idCard.length() != CHINA_ID_MIN_LENGTH) {  
            return null;  
      }  
      if (isNum(idCard)) {  
            // 获取出生年月日  
            String birthday = idCard.substring(6, 12);  
            Date birthDate = null;  
            try {  
                birthDate = new SimpleDateFormat("yyMMdd").parse(birthday);  
            } catch (ParseException e) {  
                e.printStackTrace();  
            }  
            Calendar cal = Calendar.getInstance();  
            if (birthDate != null)  
                cal.setTime(birthDate);  
            // 获取出生年(完全表现形式,如：2010)  
            String sYear = String.valueOf(cal.get(Calendar.YEAR));  
            idCard18 = idCard.substring(0, 6) + sYear + idCard.substring(8);  
            // 转换字符数组  
            char[] cArr = idCard18.toCharArray();  
            if (cArr != null) {  
                int[] iCard = converCharToInt(cArr);  
                int iSum17 = getPowerSum(iCard);  
                // 获取校验位  
                String sVal = getCheckCode18(iSum17);  
                if (sVal.length() > 0) {  
                  idCard18 += sVal;  
                } else {  
                  return null;  
                }  
            }  
      } else {  
            return null;  
      }  
      return idCard18;  
    }  
  
    /** 
   * 验证身份证是否合法 
   */  
    public static boolean validateCard(String idCard) {  
      String card = idCard.trim();  
      if (validateIdCard18(card)) {  
            return true;  
      }  
      if (validateIdCard15(card)) {  
            return true;  
      }  
//      String[] cardval = validateIdCard10(card);
//      if (cardval != null) {
//            if (cardval.equals("true")) {
//                return true;
//            }
//      }
      return false;  
    }  
  
    /** 
   * 验证18位身份编码是否合法 
   *  
   * @param idCard 身份编码 
   * @return 是否合法 
   */  
    public static boolean validateIdCard18(String idCard) {  
      boolean bTrue = false;  
      if (idCard.length() == CHINA_ID_MAX_LENGTH) {  
            // 前17位  
            String code17 = idCard.substring(0, 17);  
            // 第18位  
            String code18 = idCard.substring(17, CHINA_ID_MAX_LENGTH);  
            if (isNum(code17)) {  
                char[] cArr = code17.toCharArray();  
                if (cArr != null) {  
                  int[] iCard = converCharToInt(cArr);  
                  int iSum17 = getPowerSum(iCard);  
                  // 获取校验位  
                  String val = getCheckCode18(iSum17);  
                  if (val.length() > 0) {  
                        if (val.equalsIgnoreCase(code18)) {  
                            bTrue = true;  
                        }  
                  }  
                }  
            }  
      }  
      return bTrue;  
    }  
  
    /** 
   * 验证15位身份编码是否合法 
   *  
   * @param idCard 
   *            身份编码 
   * @return 是否合法 
   */  
    public static boolean validateIdCard15(String idCard) {  
      if (idCard.length() != CHINA_ID_MIN_LENGTH) {  
            return false;  
      }  
      if (isNum(idCard)) {  
            String proCode = idCard.substring(0, 2);  
            if (cityCodes.get(proCode) == null) {  
                return false;  
            }  
            String birthCode = idCard.substring(6, 12);  
            Date birthDate = null;  
            try {  
                birthDate = new SimpleDateFormat("yy").parse(birthCode.substring(0, 2));  
            } catch (ParseException e) {  
                e.printStackTrace();  
            }  
            Calendar cal = Calendar.getInstance();  
            if (birthDate != null)  
                cal.setTime(birthDate);  
            if (!valiDate(cal.get(Calendar.YEAR), Integer.valueOf(birthCode.substring(2, 4)),  
                  Integer.valueOf(birthCode.substring(4, 6)))) {  
                return false;  
            }  
      } else {  
            return false;  
      }  
      return true;  
    }
  
    /** 
   * 将字符数组转换成数字数组 
   *  
   * @param ca 
   *            字符数组 
   * @return 数字数组 
   */  
    public static int[] converCharToInt(char[] ca) {  
      int len = ca.length;  
      int[] iArr = new int[len];
      try {  
            for (int i = 0; i < len; i++) {  
                iArr[i] = Integer.parseInt(String.valueOf(ca[i]));
            }  
      } catch (NumberFormatException e) {  
            e.printStackTrace();  
      }  
      return iArr;  
    }  
  
    /** 
   * 将身份证的每位和对应位的加权因子相乘之后，再得到和值 
   *  
   * @param iArr 
   * @return 身份证编码。 
   */  
    public static int getPowerSum(int[] iArr) {  
      int iSum = 0;  
      if (power.length == iArr.length) {  
            for (int i = 0; i < iArr.length; i++) {  
                for (int j = 0; j < power.length; j++) {  
                  if (i == j) {  
                        iSum = iSum + iArr.length * power.length;
                  }  
                }  
            }  
      }  
      return iSum;  
    }  
  
    /** 
   * 将power和值与11取模获得余数进行校验码判断 
   *  
   * @param iSum 
   * @return 校验位 
   */  
    public static String getCheckCode18(int iSum) {  
      String sCode = "";  
      switch (iSum % 11) {  
      case 10:  
            sCode = "2";  
            break;  
      case 9:  
            sCode = "3";  
            break;  
      case 8:  
            sCode = "4";  
            break;  
      case 7:  
            sCode = "5";  
            break;  
      case 6:  
            sCode = "6";  
            break;  
      case 5:  
            sCode = "7";  
            break;  
      case 4:  
            sCode = "8";  
            break;  
      case 3:  
            sCode = "9";  
            break;  
      case 2:  
            sCode = "x";  
            break;  
      case 1:  
            sCode = "0";  
            break;  
      case 0:  
            sCode = "1";  
            break;  
      }  
      return sCode;  
    }  
  
    /** 
   * 根据身份编号获取年龄 
   *  
   * @param idCard 
   *            身份编号 
   * @return 年龄 
   */  
    public static int getAgeByIdCard(String idCard) {  
      int iAge = 0;  
      if (idCard.length() == CHINA_ID_MIN_LENGTH) {  
            idCard = conver15CardTo18(idCard);  
      }  
      String year = idCard.substring(6, 10);  
      Calendar cal = Calendar.getInstance();  
      int iCurrYear = cal.get(Calendar.YEAR);  
      iAge = iCurrYear - Integer.valueOf(year);  
      return iAge;  
    }  
  
    /** 
   * 根据身份编号获取生日 
   *  
   * @param idCard 身份编号 
   * @return 生日(yyyyMMdd) 
   */  
    public static String getBirthByIdCard(String idCard) {  
      Integer len = idCard.length();  
      if (len < CHINA_ID_MIN_LENGTH) {  
            return null;  
      } else if (len == CHINA_ID_MIN_LENGTH) {  
            idCard = conver15CardTo18(idCard);  
      }  
      return idCard.substring(6, 14);  
    }  
  
    /** 
   * 根据身份编号获取生日年 
   *  
   * @param idCard 身份编号 
   * @return 生日(yyyy) 
   */  
    public static Short getYearByIdCard(String idCard) {  
      Integer len = idCard.length();  
      if (len < CHINA_ID_MIN_LENGTH) {  
            return null;  
      } else if (len == CHINA_ID_MIN_LENGTH) {  
            idCard = conver15CardTo18(idCard);  
      }  
      return Short.valueOf(idCard.substring(6, 10));  
    }  
  
    /** 
   * 根据身份编号获取生日月 
   *  
   * @param idCard 
   *            身份编号 
   * @return 生日(MM) 
   */  
    public static Short getMonthByIdCard(String idCard) {  
      Integer len = idCard.length();  
      if (len < CHINA_ID_MIN_LENGTH) {  
            return null;  
      } else if (len == CHINA_ID_MIN_LENGTH) {  
            idCard = conver15CardTo18(idCard);  
      }  
      return Short.valueOf(idCard.substring(10, 12));  
    }  
  
    /** 
   * 根据身份编号获取生日天 
   *  
   * @param idCard 
   *            身份编号 
   * @return 生日(dd) 
   */  
    public static Short getDateByIdCard(String idCard) {  
      Integer len = idCard.length();  
      if (len < CHINA_ID_MIN_LENGTH) {  
            return null;  
      } else if (len == CHINA_ID_MIN_LENGTH) {  
            idCard = conver15CardTo18(idCard);  
      }  
      return Short.valueOf(idCard.substring(12, 14));  
    }  
  
    /** 
   * 根据身份编号获取性别 
   *  
   * @param idCard 身份编号 
   * @return 性别(M-男，F-女，N-未知) 
   */  
    public static String getGenderByIdCard(String idCard) {  
      String sGender = "N";  
      if (idCard.length() == CHINA_ID_MIN_LENGTH) {  
            idCard = conver15CardTo18(idCard);  
      }  
      String sCardNum = idCard.substring(16, 17);  
      if (Integer.parseInt(sCardNum) % 2 != 0) {  
            sGender = "M";  
      } else {  
            sGender = "F";  
      }  
      return sGender;  
    }  
  
    /** 
   * 根据身份编号获取户籍省份 
   *  
   * @param idCard 身份编码 
   * @return 省级编码。 
   */  
    public static String getProvinceByIdCard(String idCard) {  
      int len = idCard.length();  
      String sProvince = null;  
      String sProvinNum = "";  
      if (len == CHINA_ID_MIN_LENGTH || len == CHINA_ID_MAX_LENGTH) {  
            sProvinNum = idCard.substring(0, 2);  
      }  
      sProvince = cityCodes.get(sProvinNum);  
      return sProvince;  
    }  
  
    /** 
   * 数字验证 
   *  
   * @param val 
   * @return 提取的数字。 
   */  
    public static boolean isNum(String val) {  
      return val == null || "".equals(val) ? false : val.matches("^*$");  
    }  
  
    /** 
   * 验证小于当前日期 是否有效 
   *  
   * @param iYear 
   *            待验证日期(年) 
   * @param iMonth 
   *            待验证日期(月 1-12) 
   * @param iDate 
   *            待验证日期(日) 
   * @return 是否有效 
   */  
    public static boolean valiDate(int iYear, int iMonth, int iDate) {  
      Calendar cal = Calendar.getInstance();  
      int year = cal.get(Calendar.YEAR);  
      int datePerMonth;  
      if (iYear < MIN || iYear >= year) {  
            return false;  
      }  
      if (iMonth < 1 || iMonth > 12) {  
            return false;  
      }  
      switch (iMonth) {  
      case 4:  
      case 6:  
      case 9:  
      case 11:  
            datePerMonth = 30;  
            break;  
      case 2:  
            boolean dm = ((iYear % 4 == 0 && iYear % 100 != 0) || (iYear % 400 == 0))  
                  && (iYear > MIN && iYear < year);  
            datePerMonth = dm ? 29 : 28;  
            break;  
      default:  
            datePerMonth = 31;  
      }  
      return (iDate >= 1) && (iDate <= datePerMonth);  
    }  
}